Hamann gets yet again in our attention with a new tuning kit at Geneva, this time for the new BMW M6 Coupe. The new package brings a special chrome exterior finish, new 21-inch Unique Forged Formula alloy wheels with 265/30 ZR21 (front) and 305/25 ZR21 (rear) Vredestein Ultrac Vorti R tires, revised bumpers and side [...]